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Which of the following aqueous solution ...

Which of the following aqueous solution will have the boiling point `102.2^(@)`C? The molal elevation constant for water is 2.2 K kg `mol^(-1)`.

A

1m NaCl

B

1m glucose

C

1M NaCl

D

`1m CH_(3)COOH`

Text Solution

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The correct Answer is:
B
`m=1, Delta T_(b)=2.2 K, K_(b)=2.2 " K kg mol"^(-1)`
`Delta T_(b)=i.K_(b).m`
`2.2=ixx2.2xx1`
`therefore i=1 " "` For glucose, `i=1`
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